- Remove dupe and unused declarations and prototypes.
- Add missing prototypes. - Define global variables not used outside of this module as static. - Replace some outdated hard-coded functions names in panic strings with __func__. - Fix some style(9) bugs.
This commit is contained in:
Marius Strobl
parent
7d62dd366b
commit
555f163cd2
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=170839
@ -40,78 +40,64 @@ __FBSDID("$FreeBSD$");
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#include "libofw.h"
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#include "dev_net.h"
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extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
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enum {
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HEAPVA = 0x800000,
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HEAPSZ = 0x1000000,
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LOADSZ = 0x1000000 /* for kernel and modules */
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};
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struct memory_slice {
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vm_offset_t pstart;
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vm_offset_t size;
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};
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struct mmu_ops {
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static struct mmu_ops {
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void (*tlb_init)(void);
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int (*mmu_mapin)(vm_offset_t va, vm_size_t len);
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} *mmu_ops;
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typedef void kernel_entry_t(vm_offset_t mdp, u_long o1, u_long o2, u_long o3,
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void *openfirmware);
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void *openfirmware);
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extern void itlb_enter(u_long vpn, u_long data);
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extern void dtlb_enter(u_long vpn, u_long data);
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extern vm_offset_t itlb_va_to_pa(vm_offset_t);
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extern vm_offset_t dtlb_va_to_pa(vm_offset_t);
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extern vm_offset_t md_load(char *, vm_offset_t *);
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static int __elfN(exec)(struct preloaded_file *);
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static int sparc64_autoload(void);
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static ssize_t sparc64_readin(const int, vm_offset_t, const size_t);
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static ssize_t sparc64_copyin(const void *, vm_offset_t, size_t);
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static void sparc64_maphint(vm_offset_t, size_t);
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static int __elfN(exec)(struct preloaded_file *);
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static int mmu_mapin_sun4u(vm_offset_t, vm_size_t);
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static int mmu_mapin_sun4v(vm_offset_t, vm_size_t);
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static vm_offset_t init_heap(void);
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static void tlb_init_sun4u(void);
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static void tlb_init_sun4v(void);
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struct mmu_ops mmu_ops_sun4u = { tlb_init_sun4u, mmu_mapin_sun4u };
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struct mmu_ops mmu_ops_sun4v = { tlb_init_sun4v, mmu_mapin_sun4v };
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extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
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static struct mmu_ops mmu_ops_sun4u = { tlb_init_sun4u, mmu_mapin_sun4u };
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static struct mmu_ops mmu_ops_sun4v = { tlb_init_sun4v, mmu_mapin_sun4v };
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/* sun4u */
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struct tlb_entry *dtlb_store;
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struct tlb_entry *itlb_store;
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int dtlb_slot;
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int itlb_slot;
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int dtlb_slot_max;
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int itlb_slot_max;
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static int dtlb_slot_max;
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static int itlb_slot_max;
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/* sun4v */
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struct tlb_entry *tlb_store;
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int is_sun4v = 0;
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/*
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static struct tlb_entry *tlb_store;
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static int is_sun4v = 0;
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/*
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* no direct TLB access on sun4v
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* we somewhat arbitrarily declare enough
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* we somewhat arbitrarily declare enough
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* slots to cover a 4GB AS with 4MB pages
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*/
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#define SUN4V_TLB_SLOT_MAX (1 << 10)
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#define SUN4V_TLB_SLOT_MAX (1 << 10)
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static vm_offset_t curkva = 0;
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static vm_offset_t heapva;
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extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
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struct tlb_entry *dtlb_store;
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struct tlb_entry *itlb_store;
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int dtlb_slot;
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int itlb_slot;
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int dtlb_slot_max;
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int itlb_slot_max;
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vm_offset_t curkva = 0;
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vm_offset_t heapva;
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phandle_t pmemh; /* OFW memory handle */
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struct memory_slice memslices[18];
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/*
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* Machine dependent structures that the machine independent
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* loader part uses.
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@ -127,7 +113,7 @@ struct devsw *devsw[] = {
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};
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struct arch_switch archsw;
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struct file_format sparc64_elf = {
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static struct file_format sparc64_elf = {
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__elfN(loadfile),
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__elfN(exec)
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};
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@ -231,23 +217,26 @@ watch_virt_set(vm_offset_t va, int sz)
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static int
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sparc64_autoload(void)
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{
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printf("nothing to autoload yet.\n");
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return 0;
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return (0);
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}
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static ssize_t
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sparc64_readin(const int fd, vm_offset_t va, const size_t len)
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{
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mmu_ops->mmu_mapin(va, len);
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return read(fd, (void *)va, len);
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return (read(fd, (void *)va, len));
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}
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static ssize_t
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sparc64_copyin(const void *src, vm_offset_t dest, size_t len)
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{
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mmu_ops->mmu_mapin(dest, len);
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memcpy((void *)dest, src, len);
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return len;
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return (len);
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}
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static void
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@ -266,7 +255,7 @@ sparc64_maphint(vm_offset_t va, size_t len)
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/* round up to nearest 4MB page */
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size = (len + PAGE_MASK_4M) & ~PAGE_MASK_4M;
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#if 0
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#if 0
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pa = (vm_offset_t)OF_alloc_phys(PAGE_SIZE_256M, PAGE_SIZE_256M);
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if (pa != -1)
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@ -281,11 +270,10 @@ sparc64_maphint(vm_offset_t va, size_t len)
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for (i = 0; i < size; i += PAGE_SIZE_4M) {
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mva = (vm_offset_t)OF_claim_virt(va + i, PAGE_SIZE_4M, 0);
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if (mva != (va + i)) {
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if (mva != (va + i))
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panic("can't claim virtual page "
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"(wanted %#lx, got %#lx)",
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va, mva);
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}
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"(wanted %#lx, got %#lx)",
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va, mva);
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tlb_store[mva >> 22].te_pa = pa + i;
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if ((ret = OF_map_phys(-1, PAGE_SIZE_4M, mva, pa + i)) != 0)
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@ -295,7 +283,6 @@ sparc64_maphint(vm_offset_t va, size_t len)
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OF_release_phys((vm_offset_t)pa, PAGE_SIZE_256M);
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}
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/*
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* other MD functions
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*/
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@ -308,13 +295,12 @@ __elfN(exec)(struct preloaded_file *fp)
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Elf_Ehdr *e;
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int error;
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if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == 0) {
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return EFTYPE;
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}
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if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == 0)
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return (EFTYPE);
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e = (Elf_Ehdr *)&fmp->md_data;
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if ((error = md_load(fp->f_args, &mdp)) != 0)
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return error;
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return (error);
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printf("jumping to kernel entry at %#lx.\n", e->e_entry);
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#if 0
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@ -354,11 +340,10 @@ mmu_mapin_sun4u(vm_offset_t va, vm_size_t len)
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panic("out of memory");
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mva = (vm_offset_t)OF_claim_virt(va,
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PAGE_SIZE_4M, 0);
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if (mva != va) {
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if (mva != va)
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panic("can't claim virtual page "
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"(wanted %#lx, got %#lx)",
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va, mva);
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}
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/* The mappings may have changed, be paranoid. */
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continue;
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}
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@ -367,9 +352,9 @@ mmu_mapin_sun4u(vm_offset_t va, vm_size_t len)
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* most (depending on the kernel TSB size).
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*/
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if (dtlb_slot >= dtlb_slot_max)
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panic("mmu_mapin: out of dtlb_slots");
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panic("%s: out of dtlb_slots", __func__);
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if (itlb_slot >= itlb_slot_max)
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panic("mmu_mapin: out of itlb_slots");
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panic("%s: out of itlb_slots", __func__);
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data = TD_V | TD_4M | TD_PA(pa) | TD_L | TD_CP |
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TD_CV | TD_P | TD_W;
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dtlb_store[dtlb_slot].te_pa = pa;
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@ -387,14 +372,12 @@ mmu_mapin_sun4u(vm_offset_t va, vm_size_t len)
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}
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if (pa != (vm_offset_t)-1)
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OF_release_phys(pa, PAGE_SIZE_4M);
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return 0;
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return (0);
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}
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static int
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mmu_mapin_sun4v(vm_offset_t va, vm_size_t len)
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{
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vm_offset_t pa, mva;
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u_long data;
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int ret;
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@ -417,11 +400,10 @@ mmu_mapin_sun4v(vm_offset_t va, vm_size_t len)
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panic("out of memory");
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mva = (vm_offset_t)OF_claim_virt(va,
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PAGE_SIZE_4M, 0);
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if (mva != va) {
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if (mva != va)
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panic("can't claim virtual page "
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"(wanted %#lx, got %#lx)",
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va, mva);
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}
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}
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tlb_store[va >> 22].te_pa = pa;
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@ -434,7 +416,8 @@ mmu_mapin_sun4v(vm_offset_t va, vm_size_t len)
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}
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if (pa != (vm_offset_t)-1)
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OF_release_phys(pa, PAGE_SIZE_4M);
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return 0;
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return (0);
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}
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static vm_offset_t
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@ -447,7 +430,7 @@ init_heap(void)
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/* There is no need for continuous physical heap memory. */
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heapva = (vm_offset_t)OF_claim((void *)HEAPVA, HEAPSZ, 32);
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return heapva;
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return (heapva);
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}
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static void
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@ -461,36 +444,37 @@ tlb_init_sun4u(void)
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bootcpu = UPA_CR_GET_MID(ldxa(0, ASI_UPA_CONFIG_REG));
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if ((root = OF_peer(0)) == -1)
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panic("main: OF_peer");
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panic("%s: OF_peer", __func__);
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for (child = OF_child(root); child != 0; child = OF_peer(child)) {
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if (child == -1)
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panic("main: OF_child");
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panic("%s: OF_child", __func__);
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if (OF_getprop(child, "device_type", buf, sizeof(buf)) > 0 &&
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strcmp(buf, "cpu") == 0) {
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if (OF_getprop(child, "upa-portid", &cpu,
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sizeof(cpu)) == -1 && OF_getprop(child, "portid",
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&cpu, sizeof(cpu)) == -1)
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panic("main: OF_getprop");
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panic("%s: OF_getprop", __func__);
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if (cpu == bootcpu)
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break;
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}
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}
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if (cpu != bootcpu)
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panic("init_tlb: no node for bootcpu?!?!");
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panic("%s: no node for bootcpu?!?!", __func__);
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if (OF_getprop(child, "#dtlb-entries", &dtlb_slot_max,
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sizeof(dtlb_slot_max)) == -1 ||
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OF_getprop(child, "#itlb-entries", &itlb_slot_max,
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sizeof(itlb_slot_max)) == -1)
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panic("init_tlb: OF_getprop");
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panic("%s: OF_getprop", __func__);
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dtlb_store = malloc(dtlb_slot_max * sizeof(*dtlb_store));
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itlb_store = malloc(itlb_slot_max * sizeof(*itlb_store));
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if (dtlb_store == NULL || itlb_store == NULL)
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panic("init_tlb: malloc");
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panic("%s: malloc", __func__);
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}
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static void
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tlb_init_sun4v(void)
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{
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tlb_store = malloc(SUN4V_TLB_SLOT_MAX * sizeof(*tlb_store));
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memset(tlb_store, 0xFF, SUN4V_TLB_SLOT_MAX * sizeof(*tlb_store));
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}
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@ -518,6 +502,7 @@ main(int (*openfirm)(void *))
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init_heap();
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setheap((void *)heapva, (void *)(heapva + HEAPSZ));
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/*
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* Probe for a console.
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*/
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@ -579,7 +564,7 @@ main(int (*openfirm)(void *))
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/* Give control to the machine independent loader code. */
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interact();
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return 1;
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return (1);
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}
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COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
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@ -601,19 +586,21 @@ command_reboot(int argc, char *argv[])
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void
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exit(int code)
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{
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OF_exit();
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}
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#ifdef LOADER_DEBUG
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typedef u_int64_t tte_t;
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const char *page_sizes[] = {
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static const char *page_sizes[] = {
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" 8k", " 64k", "512k", " 4m"
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};
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static void
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pmap_print_tte(tte_t tag, tte_t tte)
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{
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printf("%s %s ",
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page_sizes[(tte & TD_SIZE_MASK) >> TD_SIZE_SHIFT],
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tag & TD_G ? "G" : " ");
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